Step-up transformers for tunnels solve problems such as large remote voltage drops on the line.
> .Overview (manufacturer of step-up transformer) SG series three-phase step-up transformer is a new generation of energy-saving power transformer developed and produced by our factory with reference to similar international products and combined with China's national conditions, from 300VA to 1600KVA, in line with IEC439, GB5226 and other international and national standards, the winding adopts the whole winding method of winding; the transformer is vacuum dipped to make the insulation level of the transformer reach F or H, and the product performance reaches the advanced level at home and abroad. SG series three-phase step-up transformers are widely used in circuits with AC 50Hz to 60Hz and voltage below 660V, and are widely used in importing important equipment, precision machine tools, mechanical and electronic equipment, medical equipment, rectifiers, lighting, etc. Various input and output voltage levels of the product, connection group, number and position of adjustment taps (typically ± 5%), distribution of winding capacity, provision of secondary single-phase windings, use of rectifier circuits, whether bands are required Enclosures, etc., can be carefully designed and manufactured according to user requirements, but if used for a long period of time, the total power must not exceed 80% of the rated capacity. Product features: The establishment of a new neutral line in the step-up isolation transformer-grounding can relieve the common mode interference and other problems of the neutral line in the power grid. The step-up isolation transformer converts the three-line delta connection to a four-line Yo system, and the shielding is further eliminated by the transformer Internally coupled high-frequency pulse interference and noise, although shielded isolation transformers can effectively prevent various NG interference (pulse and high-frequency noise), but the transformer must be properly and properly grounded and very strict, otherwise the resistance to common mode interference will be no effect. The company can design and produce high-quality isolation transformers for customers. Features and advantages: Ø High isolation Ø Good NG performance Ø High common mode interference suppression Ø Convert △ to Y or Y to △ Ø Voltage tap is easy to convert Ø Design technical specifications according to user's special performance requirements 1 Input rated voltage: three-phase 380V or Single-phase 380V or single-phase 220V2 Working frequency: 50Hz-60Hz3 Efficiency: ≥95% 4 Temperature rise: <605 Waveform distortion: <0.1% 6 High voltage test: 2500V, 1 minute without breakdown Use conditions 1 Applicable altitude: ≤5000m2 Ambient temperature: -15 ℃ ~ + 45 ℃ 3 Relative humidity: ≤90% 4 The installation site should be free of gases, steam, chemical deposits, dirt, conductive dust that seriously affect the insulation strength of the transformer. There is no other explosive, flammable and corrosive in Egypt. substance. 5 Anyone who does not meet the above conditions of use shall be determined through consultation with us. SG, DG, OSG, ODG (three-phase, single-phase, auto-coupled) YSD dry-type step-up transformers are a series of products designed and produced by our company to adapt to different power grid systems and equipment with special requirements in various countries. Withstands instantaneous overload and can work continuously for long periods > 、 Three-phase transformer winding connection method> Company product service guarantee: Before each product, all products are strictly inspected in accordance with national standards to ensure that the factory pass rate is 100%. The company promises: all products are guaranteed for one year! Failures within one year of normal use can be replaced free of charge! (Except for special customer requirements) Shanghai Yinxi Electrical Equipment Manufacturing Co., Ltd. is a comprehensive power company that integrates scientific research, production, sales, and product maintenance. The company has strong technical development strength and testing equipment. The company continuously strengthens the control of the quality of raw materials and processes to ensure the stability of product quality. Since its establishment, the company has been engaged in production: transformers, voltage regulators, voltage regulators, switching power supplies, and distribution boxes, etc., more than ten series, more than one hundred products, the products are exported to North America, Western Europe, the Middle East, North Africa Waiting for more than 50 countries and regions, has been well received by users. After-sale guarantee: 1. The company produces and sells various models of Yinxi transformers, Yinxi voltage regulators, and Yinxi voltage regulators, which can be customized according to customer requirements, sizes, and specifications. 2. Our company The quality guarantee period of the dry-type transformers, voltage regulators, voltage regulators, reactors, and complete grounding equipment is one year. 3. If any product quality problem occurs during the warranty period, our company is responsible for free repair or replacement. 4. The company opened a nationwide free 24-hour service hotline 021-52668758 within 8 hours of receiving complaints to respond to processing opinions, and according to user requirements, it is divided into processing within 24 hours, processing within 48 hours, and processing within the same time as the user. . 5 Due to power outages caused by product accidents, our company promises that within 24 hours of current transportation in developed areas: AC on-off test, AC power life test, reliability test, flashover breakdown test, comprehensive characteristic test, high and low temperature and resistance High temperature test, alternating and constant damp heat test, ball pressure test, leakage and aging test, drop and vibration test, ultrasonic imaging nondestructive test, plastic mechanical property test, plastic flame retardant and electrical performance test, carbon and sulfur analysis test, silicon steel sheet iron Loss test, chemical analysis test step-up transformer 丨 dry-type step-up transformer 丨 220V step-up transformer 丨 380V step-up transformer manufacturer 丨 step-up transformer manufacturer specializing in the production of various types of transformers: isolation transformer, three-phase isolation transformer, single-phase isolation Transformer, dry-type isolation transformer, three-phase dry-type isolation transformer, high-power transformer, 10-1000KVA transformer. Oil-immersed inductive regulator, three-phase regulator, inductive regulator, single-phase oil-immersed regulator, oil-immersed self-cooling inductive regulator, inductive automatic regulator, pressure regulator. Non-contact regulator, compensation regulator, high-power regulator, 380v high-power regulator, automatic compensation power regulator, three-phase compensation power regulator, transformer.